Choosing the right air filter for your heating system is a big part of maintenance. When you start looking into air filters, you may notice there are more than one to choose from but you may not know which one is the best choice for your system. This is why air filters come with a MERV rating. Air Supply Heating & Air Conditioning is here to explain what the MERV rating means for your air filters so you can choose the right filter for your system.
What is a MERV Rating?
When you hear the term MERV, it means Minimum Efficiency Reporting Value. This is another way of telling you how good your air filter is at removing particles from the air that is cycled through your heating or cooling system. MERV ranges from 1-16. The higher the number on your filter, the better it is at removing contaminates and particles from the air. Some of the most common particles that are found in the air your breathe include pollen, dust mites, carpet fibers, mold spores, pet dander and tobacco smoke. Most of the filters that are found in home have a MERV rating between 7-12. Filters with a higher MERV rating are usually found in hospitals and health offices.
Is the Higher the MERV Rating Better?
The first thing that homeowners often think when they are looking into air filters is to choose a higher MERV rated filter. While you don’t want to choose one that is too low, you need to know that a high MERV rating isn’t always the right choice for your home. When the MERV rating is high, it means that there is going to be more air resistance on the air flowing through your system. Your heating and cooling system needs to be designed to handle that. If it isn’t, the restricted air flow will actually hurt the indoor air quality in your home and could cause undue stress on your system as well. You should look into the recommendations that are made by the manufacturer of your heating and cooling systems to know how high you should go with your MERV ratings on the air filters for your home.
Changing Air Filters Often is Key
Like mentioned above, it is important that you change the air filters in your heating and cooling systems often. They are playing a key role in the overall function of your furnace and AC units. The stress that is put on your heating and cooling systems when the air filter isn’t changed can result in repairs that are completely avoidable. You should be checking and changing your filters often to avoid this.
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If you are experiencing any problems with your furnace this winter, don’t hesitate to call on the heating professionals at Air Supply Heating & Air Conditioning to diagnose and repair any issues you may be having. Stay warm and comfortable with our superior heating repair and maintenance services. Call us today!